Vitalizing Wind

Creatures you control get +7/+7 until end of turn.

Nantuko Elder

Plated Slagwurm

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Roar of the Wurm

Create a 6/6 green Wurm creature token.
Flashback {3}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Spore Frog

Sacrifice Spore Frog: Prevent all combat damage that would be dealt this turn.

Krosan Drover

Creature spells you cast with mana value 6 or greater cost {2} less to cast.

Wild Growth

Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional {G}.

Wurmcalling

Buyback {2}{G} (You may pay an additional {2}{G} as you cast this spell. If you do, put this card into your hand as it resolves.)
Create an X/X green Wurm creature token.

Yavimaya Hollow

{T}: Add {C}.
{G}, {T}: Regenerate target creature.

Seedborn Muse

Untap all permanents you control during each other player's untap step.

Stampede Driver

{1}{G}, {T}, Discard a card: Creatures you control get +1/+1 and gain trample until end of turn.

Tunneler Wurm

Discard a card: Regenerate Tunneler Wurm.

Eternal Witness

When Eternal Witness enters, you may return target card from your graveyard to your hand.

Skyshroud Claim

Search your library for up to two Forest cards, put them onto the battlefield, then shuffle.

Crush of Wurms

Create three 6/6 green Wurm creature tokens.
Flashback {9}{G}{G}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Roaring Slagwurm

Whenever Roaring Slagwurm attacks, tap all artifacts.

Forest

Elvish Pioneer

When Elvish Pioneer enters, you may put a basic land card from your hand onto the battlefield tapped.

Aspect of Wolf

Enchant creature
Enchanted creature gets +X/+Y, where X is half the number of Forests you control, rounded down, and Y is half the number of Forests you control, rounded up.

Llanowar Elves

Wurm's Tooth

Whenever a player casts a green spell, you may gain 1 life.

Brawn

Trample
As long as Brawn is in your graveyard and you control a Forest, creatures you control have trample.

Wood Elves

When Wood Elves enters, search your library for a Forest card, put that card onto the battlefield, then shuffle.

Werebear

{T}: Add {G}.
Threshold — Werebear gets +3/+3 as long as seven or more cards are in your graveyard.

Craw Wurm

Overrun

Creatures you control get +3/+3 and gain trample until end of turn. (Each of those creatures can deal excess combat damage to the player or planeswalker it's attacking.)